We use since to talk about an action from some indicated time in the past, up to the present time. Therefore, the present perfect tense of the verb (e.g. has worked) is required. For refers
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A preposition is a word used to connect nouns, pronouns, or phrases to other words found in a sentence. Prepositions act to link the people, objects, time and locations of a sentence, and they are
Some adjectives are usually followed by a preposition. These prepositions are called dependant prepositions.
We use What is … like? to ask for a description of someone or something (e.g. their appearance, their character, their behaviour).